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HTTP Request Smuggling Affecting io.ktor:ktor-client-cio package, versions [,1.3.0)

0.0
medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High
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NVD
7.5 high

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  • Snyk ID SNYK-JAVA-IOKTOR-543495
  • published 27 Jan 2020
  • disclosed 27 Jan 2020
  • credit Unknown
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Introduced: 27 Jan 2020

CVE-2020-5207 Open this link in a new tab
CWE-444 Open this link in a new tab

How to fix?

Upgrade io.ktor:ktor-client-cio to version 1.3.0 or higher.

Overview

io.ktor:ktor-client-cio is a framework for quickly creating web applications in Kotlin with minimal effort.

Affected versions of this package are vulnerable to HTTP Request Smuggling. Request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.

References